TY  - BOOK
AU  - Sarma, C R.
TI  - Computer networks: : pragmatic approach 
SN  - 9788179925157
U1  - 004.65  1
PY  - 2011///
CY  - New Delhi
PB  - Jaico Publishing House
KW  - Data link layer
KW  - Network layer
KW  - Transport layer
KW  - Application layer
ER  -